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authorAvi Kivity <avi@qumranet.com>2007-03-04 06:59:30 -0500
committerAvi Kivity <avi@qumranet.com>2007-05-03 03:52:24 -0400
commitb4e63f560beb187cffdaf706e534a1e2f9effb66 (patch)
tree1fe1a640530af04d1d722e0c99c8086b0e13f1e7 /include
parent5d308f4550d9dc4c236e08b0377b610b9578577b (diff)
KVM: Allow userspace to process hypercalls which have no kernel handler
This is useful for paravirtualized graphics devices, for example. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kvm.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c93cf53953af..9151ebfa22e9 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -11,7 +11,7 @@
11#include <asm/types.h> 11#include <asm/types.h>
12#include <linux/ioctl.h> 12#include <linux/ioctl.h>
13 13
14#define KVM_API_VERSION 6 14#define KVM_API_VERSION 7
15 15
16/* 16/*
17 * Architectural interrupt line count, and the size of the bitmap needed 17 * Architectural interrupt line count, and the size of the bitmap needed
@@ -41,6 +41,7 @@ enum kvm_exit_reason {
41 KVM_EXIT_UNKNOWN = 0, 41 KVM_EXIT_UNKNOWN = 0,
42 KVM_EXIT_EXCEPTION = 1, 42 KVM_EXIT_EXCEPTION = 1,
43 KVM_EXIT_IO = 2, 43 KVM_EXIT_IO = 2,
44 KVM_EXIT_HYPERCALL = 3,
44 KVM_EXIT_DEBUG = 4, 45 KVM_EXIT_DEBUG = 4,
45 KVM_EXIT_HLT = 5, 46 KVM_EXIT_HLT = 5,
46 KVM_EXIT_MMIO = 6, 47 KVM_EXIT_MMIO = 6,
@@ -103,6 +104,13 @@ struct kvm_run {
103 __u32 len; 104 __u32 len;
104 __u8 is_write; 105 __u8 is_write;
105 } mmio; 106 } mmio;
107 /* KVM_EXIT_HYPERCALL */
108 struct {
109 __u64 args[6];
110 __u64 ret;
111 __u32 longmode;
112 __u32 pad;
113 } hypercall;
106 }; 114 };
107}; 115};
108 116